def _create_instances(context, db_info, datastore, datastore_version,
instances, extended_properties, locality):
Redis_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
total_volume_allocation = 0
# Validate and Cache flavors
nova_client = remote.create_nova_client(context)
unique_flavors = set(map(lambda i: i['flavor_id'], instances))
flavor_cache = {}
for fid in unique_flavors:
try:
flavor_cache.update({fid: nova_client.flavors.get(fid)})
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=fid)
# Checking volumes
name_index = 1
for instance in instances:
if not instance.get('name'):
instance['name'] = "%s-member-%s" % (db_info.name, name_index)
name_index += 1
volume_size = instance.get('volume_size')
if Redis_conf.volume_support:
models.validate_volume_size(volume_size)
total_volume_allocation += volume_size
else:
if volume_size:
raise exception.VolumeNotSupported()
ephemeral_support = Redis_conf.device_path
flavor_id = instance['flavor_id']
flavor = flavor_cache[flavor_id]
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
# Check quotas
quota_request = {'instances': num_instances,
'volumes': total_volume_allocation}
check_quotas(context.tenant, quota_request)
# Creating member instances
return map(lambda instance:
inst_models.Instance.create(context,
instance['name'],
instance['flavor_id'],
datastore_version.image_id,
[], [],
datastore, datastore_version,
instance.get('volume_size'),
None,
instance.get(
'availability_zone', None),
instance.get('nics', None),
configuration_id=None,
cluster_config={
"id": db_info.id,
"instance_type": "member"},
locality=locality
),
instances)
def _validate_cluster_instances(context, instances, datastore,
datastore_version):
"""Validate the flavor and volume"""
ds_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
# Check number of instances is at least min_cluster_member_count
if num_instances < ds_conf.min_cluster_member_count:
raise exception.ClusterNumInstancesNotLargeEnough(
num_instances=ds_conf.min_cluster_member_count)
# Checking flavors and get delta for quota check
flavor_ids = [instance['flavor_id'] for instance in instances]
if len(set(flavor_ids)) != 1:
raise exception.ClusterFlavorsNotEqual()
flavor_id = flavor_ids[0]
nova_client = remote.create_nova_client(context)
try:
flavor = nova_client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
deltas = {'instances': num_instances}
# Checking volumes and get delta for quota check
volume_sizes = [instance['volume_size'] for instance in instances
if instance.get('volume_size', None)]
volume_size = None
if ds_conf.volume_support:
if len(volume_sizes) != num_instances:
raise exception.ClusterVolumeSizeRequired()
if len(set(volume_sizes)) != 1:
raise exception.ClusterVolumeSizesNotEqual()
volume_size = volume_sizes[0]
cluster_models.validate_volume_size(volume_size)
deltas['volumes'] = volume_size * num_instances
else:
if len(volume_sizes) > 0:
raise exception.VolumeNotSupported()
ephemeral_support = ds_conf.device_path
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
# quota check
check_quotas(context.tenant, deltas)
# Checking networks are same for the cluster
instance_nics = []
for instance in instances:
nics = instance.get('nics')
if nics:
instance_nics.append(nics[0].get('net-id'))
if len(set(instance_nics)) > 1:
raise exception.ClusterNetworksNotEqual()
if not instance_nics:
return
instance_nic = instance_nics[0]
try:
nova_client.networks.get(instance_nic)
except nova_exceptions.NotFound:
raise exception.NetworkNotFound(uuid=instance_nic)
def add_shard(self):
if self.db_info.task_status != ClusterTasks.NONE:
current_task = self.db_info.task_status.name
msg = _("This action cannot be performed on the cluster while "
"the current cluster task is '%s'.") % current_task
LOG.error(msg)
raise exception.UnprocessableEntity(msg)
db_insts = inst_models.DBInstance.find_all(cluster_id=self.id,
type='member').all()
num_unique_shards = len(set([db_inst.shard_id for db_inst
in db_insts]))
if num_unique_shards == 0:
msg = _("This action cannot be performed on the cluster as no "
"reference shard exists.")
LOG.error(msg)
raise exception.UnprocessableEntity(msg)
arbitrary_shard_id = db_insts[0].shard_id
members_in_shard = [db_inst for db_inst in db_insts
if db_inst.shard_id == arbitrary_shard_id]
num_members_per_shard = len(members_in_shard)
a_member = inst_models.load_any_instance(self.context,
members_in_shard[0].id)
deltas = {'instances': num_members_per_shard}
volume_size = a_member.volume_size
if volume_size:
deltas['volumes'] = volume_size * num_members_per_shard
check_quotas(self.context.tenant, deltas)
new_replica_set_name = "rs" + str(num_unique_shards + 1)
new_shard_id = utils.generate_uuid()
dsv_manager = (datastore_models.DatastoreVersion.
load_by_uuid(db_insts[0].datastore_version_id).manager)
manager = task_api.load(self.context, dsv_manager)
key = manager.get_key(a_member)
member_config = {"id": self.id,
"shard_id": new_shard_id,
"instance_type": "member",
"replica_set_name": new_replica_set_name,
"key": key}
for i in range(1, num_members_per_shard + 1):
instance_name = "%s-%s-%s" % (self.name, new_replica_set_name,
str(i))
inst_models.Instance.create(self.context, instance_name,
a_member.flavor_id,
a_member.datastore_version.image_id,
[], [], a_member.datastore,
a_member.datastore_version,
volume_size, None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=member_config)
self.update_db(task_status=ClusterTasks.ADDING_SHARD)
manager.mongodb_add_shard_cluster(
self.id,
new_shard_id,
new_replica_set_name)
def _validate_cluster_instances(context, instances, datastore,
datastore_version):
"""Validate the flavor and volume"""
ds_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
# Check number of instances is at least min_cluster_member_count
if num_instances < ds_conf.min_cluster_member_count:
raise exception.ClusterNumInstancesNotLargeEnough(
num_instances=ds_conf.min_cluster_member_count)
# Checking flavors and get delta for quota check
flavor_ids = [instance['flavor_id'] for instance in instances]
if len(set(flavor_ids)) != 1:
raise exception.ClusterFlavorsNotEqual()
flavor_id = flavor_ids[0]
nova_client = remote.create_nova_client(context)
try:
flavor = nova_client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
deltas = {'instances': num_instances}
# Checking volumes and get delta for quota check
volume_sizes = [instance['volume_size'] for instance in instances
if instance.get('volume_size', None)]
volume_size = None
if ds_conf.volume_support:
if len(volume_sizes) != num_instances:
raise exception.ClusterVolumeSizeRequired()
if len(set(volume_sizes)) != 1:
raise exception.ClusterVolumeSizesNotEqual()
volume_size = volume_sizes[0]
cluster_models.validate_volume_size(volume_size)
deltas['volumes'] = volume_size * num_instances
else:
if len(volume_sizes) > 0:
raise exception.VolumeNotSupported()
ephemeral_support = ds_conf.device_path
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
# quota check
check_quotas(context.tenant, deltas)
# Checking networks are same for the cluster
instance_nics = []
for instance in instances:
nics = instance.get('nics')
if nics:
instance_nics.append(nics[0].get('net-id'))
if len(set(instance_nics)) > 1:
raise exception.ClusterNetworksNotEqual()
if not instance_nics:
return
instance_nic = instance_nics[0]
try:
nova_client.networks.get(instance_nic)
except nova_exceptions.NotFound:
raise exception.NetworkNotFound(uuid=instance_nic)
def _create_cluster_instances(cls, context, cluster_id, cluster_name,
datastore, datastore_version, instances,
extended_properties, locality):
LOG.debug("Processing a request for new cluster instances.")
cassandra_conf = CONF.get(datastore_version.manager)
eph_enabled = cassandra_conf.device_path
vol_enabled = cassandra_conf.volume_support
# Validate instance flavors.
models.get_flavors_from_instance_defs(context, instances, vol_enabled,
eph_enabled)
# Compute the total volume allocation.
req_volume_size = models.get_required_volume_size(
instances, vol_enabled)
# Check requirements against quota.
num_new_instances = len(instances)
deltas = {'instances': num_new_instances, 'volumes': req_volume_size}
check_quotas(context.tenant, deltas)
# Creating member instances.
num_instances = len(
CassandraClusterTasks.find_cluster_node_ids(cluster_id))
new_instances = []
for instance_idx, instance in enumerate(instances, num_instances + 1):
instance_az = instance.get('availability_zone', None)
member_config = {
"id": cluster_id,
"instance_type": "member",
"dc": cls.DEFAULT_DATA_CENTER,
"rack": instance_az or cls.DEFAULT_RACK
}
instance_name = instance.get('name')
if not instance_name:
instance_name = cls._build_instance_name(
cluster_name, member_config['dc'], member_config['rack'],
instance_idx)
new_instance = inst_models.Instance.create(
context,
instance_name,
instance['flavor_id'],
datastore_version.image_id, [], [],
datastore,
datastore_version,
instance['volume_size'],
None,
nics=instance.get('nics', None),
availability_zone=instance_az,
configuration_id=None,
cluster_config=member_config,
locality=locality)
new_instances.append(new_instance)
return new_instances
def add_shard(self):
if self.db_info.task_status != ClusterTasks.NONE:
current_task = self.db_info.task_status.name
msg = _("This action cannot be performed on the cluster while "
"the current cluster task is '%s'.") % current_task
LOG.error(msg)
raise exception.UnprocessableEntity(msg)
db_insts = inst_models.DBInstance.find_all(cluster_id=self.id,
type='member').all()
num_unique_shards = len(set([db_inst.shard_id for db_inst
in db_insts]))
if num_unique_shards == 0:
msg = _("This action cannot be performed on the cluster as no "
"reference shard exists.")
LOG.error(msg)
raise exception.UnprocessableEntity(msg)
arbitrary_shard_id = db_insts[0].shard_id
members_in_shard = [db_inst for db_inst in db_insts
if db_inst.shard_id == arbitrary_shard_id]
num_members_per_shard = len(members_in_shard)
a_member = inst_models.load_any_instance(self.context,
members_in_shard[0].id)
deltas = {'instances': num_members_per_shard}
volume_size = a_member.volume_size
if volume_size:
deltas['volumes'] = volume_size * num_members_per_shard
check_quotas(self.context.tenant, deltas)
new_replica_set_name = "rs" + str(num_unique_shards + 1)
new_shard_id = utils.generate_uuid()
dsv_manager = (datastore_models.DatastoreVersion.
load_by_uuid(db_insts[0].datastore_version_id).manager)
manager = task_api.load(self.context, dsv_manager)
key = manager.get_key(a_member)
member_config = {"id": self.id,
"shard_id": new_shard_id,
"instance_type": "member",
"replica_set_name": new_replica_set_name,
"key": key}
for i in range(1, num_members_per_shard + 1):
instance_name = "%s-%s-%s" % (self.name, new_replica_set_name,
str(i))
inst_models.Instance.create(self.context, instance_name,
a_member.flavor_id,
a_member.datastore_version.image_id,
[], [], a_member.datastore,
a_member.datastore_version,
volume_size, None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=member_config)
self.update_db(task_status=ClusterTasks.ADDING_SHARD)
manager.mongodb_add_shard_cluster(
self.id,
new_shard_id,
new_replica_set_name)
def _create_instances(context, db_info, datastore, datastore_version,
instances):
Redis_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
total_volume_allocation = 0
# Validate and Cache flavors
nova_client = remote.create_nova_client(context)
unique_flavors = set(map(lambda i: i['flavor_id'], instances))
flavor_cache = {}
for fid in unique_flavors:
try:
flavor_cache.update({fid: nova_client.flavors.get(fid)})
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=fid)
# Checking volumes
name_index = 1
for instance in instances:
if not instance.get('name'):
instance['name'] = "%s-member-%s" % (db_info.name, name_index)
name_index += 1
volume_size = instance.get('volume_size')
if Redis_conf.volume_support:
models.validate_volume_size(volume_size)
total_volume_allocation += volume_size
else:
if volume_size:
raise exception.VolumeNotSupported()
ephemeral_support = Redis_conf.device_path
flavor_id = instance['flavor_id']
flavor = flavor_cache[flavor_id]
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
# Check quotas
quota_request = {
'instances': num_instances,
'volumes': total_volume_allocation
}
check_quotas(context.tenant, quota_request)
# Creating member instances
return map(
lambda instance: inst_models.Instance.create(
context,
instance['name'],
instance['flavor_id'],
datastore_version.image_id, [], [],
datastore,
datastore_version,
instance.get('volume_size'),
None,
instance.get('availability_zone', None),
instance.get('nics', None),
configuration_id=None,
cluster_config={
"id": db_info.id,
"instance_type": "member"
}), instances)
def _create_cluster_instances(
cls, context, cluster_id, cluster_name,
datastore, datastore_version, instances, extended_properties,
locality):
LOG.debug("Processing a request for new cluster instances.")
cassandra_conf = CONF.get(datastore_version.manager)
eph_enabled = cassandra_conf.device_path
vol_enabled = cassandra_conf.volume_support
# Validate instance flavors.
models.validate_instance_flavors(context, instances,
vol_enabled, eph_enabled)
# Compute the total volume allocation.
req_volume_size = models.get_required_volume_size(instances,
vol_enabled)
# Check requirements against quota.
num_new_instances = len(instances)
deltas = {'instances': num_new_instances, 'volumes': req_volume_size}
check_quotas(context.tenant, deltas)
# Creating member instances.
num_instances = len(
CassandraClusterTasks.find_cluster_node_ids(cluster_id))
new_instances = []
for instance_idx, instance in enumerate(instances, num_instances + 1):
instance_az = instance.get('availability_zone', None)
member_config = {"id": cluster_id,
"instance_type": "member",
"dc": cls.DEFAULT_DATA_CENTER,
"rack": instance_az or cls.DEFAULT_RACK}
instance_name = instance.get('name')
if not instance_name:
instance_name = cls._build_instance_name(
cluster_name, member_config['dc'], member_config['rack'],
instance_idx)
new_instance = inst_models.Instance.create(
context, instance_name,
instance['flavor_id'],
datastore_version.image_id,
[], [],
datastore, datastore_version,
instance['volume_size'], None,
nics=instance.get('nics', None),
availability_zone=instance_az,
configuration_id=None,
cluster_config=member_config,
modules=instance.get('modules'),
region_name=instance.get('region_name'),
locality=locality)
new_instances.append(new_instance)
return new_instances
def _create_instances(context, db_info, datastore, datastore_version,
instances, extended_properties, locality):
redis_conf = CONF.get(datastore_version.manager)
ephemeral_enabled = redis_conf.device_path
volume_enabled = redis_conf.volume_support
num_instances = len(instances)
models.validate_instance_flavors(context, instances, volume_enabled,
ephemeral_enabled)
total_volume_allocation = models.get_required_volume_size(
instances, volume_enabled)
models.assert_homogeneous_cluster(instances)
models.validate_instance_nics(context, instances)
name_index = 1
for instance in instances:
if not instance.get('name'):
instance['name'] = "%s-member-%s" % (db_info.name, name_index)
name_index += 1
# Check quotas
quota_request = {
'instances': num_instances,
'volumes': total_volume_allocation
}
check_quotas(context.project_id, quota_request)
# Creating member instances
return [
inst_models.Instance.create(
context,
instance['name'],
instance['flavor_id'],
datastore_version.image_id, [], [],
datastore,
datastore_version,
instance.get('volume_size'),
None,
instance.get('availability_zone', None),
instance.get('nics', None),
configuration_id=None,
cluster_config={
"id": db_info.id,
"instance_type": "member"
},
volume_type=instance.get('volume_type', None),
modules=instance.get('modules'),
locality=locality,
region_name=instance.get('region_name'))
for instance in instances
]
def _create_instances(context, db_info, datastore, datastore_version,
instances, extended_properties, locality,
new_cluster=True):
vertica_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
existing = inst_models.DBInstance.find_all(cluster_id=db_info.id).all()
num_existing = len(existing)
# Matching number of instances with configured cluster_member_count
if (new_cluster and
num_instances != vertica_conf.cluster_member_count):
raise exception.ClusterNumInstancesNotSupported(
num_instances=vertica_conf.cluster_member_count)
models.validate_instance_flavors(
context, instances, vertica_conf.volume_support,
vertica_conf.device_path)
req_volume_size = models.get_required_volume_size(
instances, vertica_conf.volume_support)
models.assert_homogeneous_cluster(instances)
deltas = {'instances': num_instances, 'volumes': req_volume_size}
check_quotas(context.tenant, deltas)
flavor_id = instances[0]['flavor_id']
volume_size = instances[0].get('volume_size', None)
nics = [instance.get('nics', None) for instance in instances]
azs = [instance.get('availability_zone', None)
for instance in instances]
# Creating member instances
minstances = []
for i in range(0, num_instances):
if i == 0 and new_cluster:
member_config = {"id": db_info.id, "instance_type": "master"}
else:
member_config = {"id": db_info.id, "instance_type": "member"}
instance_name = "%s-member-%s" % (db_info.name,
str(i + num_existing + 1))
minstances.append(
inst_models.Instance.create(
context, instance_name, flavor_id,
datastore_version.image_id, [], [], datastore,
datastore_version, volume_size, None,
nics=nics[i], availability_zone=azs[i],
configuration_id=None, cluster_config=member_config,
locality=locality, modules=instances[i].get('modules'))
)
return minstances
def _create_insts(context, cluster_id, cluster_name, datastore,
datastore_version, instances, locality, configuration_id
): # pylint: disable=too-many-arguments, too-many-locals
# 1. Check quotas
num = len(instances)
manager_conf = CONF.get(datastore_version.manager)
total_volume_allocation = models.get_required_volume_size(
instances, manager_conf.volume_support)
quota_request = {'instances': num, 'volumes': total_volume_allocation}
check_quotas(context.project_id, quota_request)
# 2. Name new instances
alls = inst_models.DBInstance.find_all(cluster_id=cluster_id).all()
index = 1
if alls:
index += len(alls)
# 3. Create instances
new_insts = []
member_config = {"id": cluster_id, "instance_type": "member"}
for instance in instances:
if not instance.get('name'):
instance['name'] = "%s-member-%s" % (cluster_name, index)
index += 1
instance_name = instance.get('name')
instance_az = instance.get('availability_zone', None)
LOG.debug("new instance_name=%s instance_az=%s", instance_name,
instance_az)
new_inst = inst_models.Instance.create(
context,
instance_name,
instance['flavor_id'],
datastore_version.image_id, [], [],
datastore,
datastore_version,
instance['volume_size'],
None,
nics=instance.get('nics', None),
availability_zone=instance_az,
configuration_id=configuration_id,
cluster_config=member_config,
volume_type=instance.get('volume_type', None),
modules=instance.get('modules'),
locality=locality,
region_name=instance.get('region_name'))
new_insts.append(new_inst)
return new_insts
def _validate_cluster_instances(context, instances, datastore,
datastore_version):
"""Validate the flavor and volume"""
ds_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
# Check number of instances is at least min_cluster_member_count
if num_instances < ds_conf.min_cluster_member_count:
raise exception.ClusterNumInstancesNotLargeEnough(
num_instances=ds_conf.min_cluster_member_count)
# Checking volumes and get delta for quota check
cluster_models.validate_instance_flavors(context, instances,
ds_conf.volume_support,
ds_conf.device_path)
req_volume_size = cluster_models.get_required_volume_size(
instances, ds_conf.volume_support)
cluster_models.assert_homogeneous_cluster(instances)
deltas = {'instances': num_instances, 'volumes': req_volume_size}
# quota check
check_quotas(context.tenant, deltas)
# Checking networks are same for the cluster
instance_nics = []
for instance in instances:
nics = instance.get('nics')
if nics:
instance_nics.append(nics[0].get('net-id'))
if len(set(instance_nics)) > 1:
raise exception.ClusterNetworksNotEqual()
if not instance_nics:
return
instance_nic = instance_nics[0]
try:
nova_client = remote.create_nova_client(context)
nova_client.networks.get(instance_nic)
except nova_exceptions.NotFound:
raise exception.NetworkNotFound(uuid=instance_nic)
def _validate_cluster_instances(context, instances, datastore,
datastore_version):
"""Validate the flavor and volume"""
ds_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
# Check number of instances is at least min_cluster_member_count
if num_instances < ds_conf.min_cluster_member_count:
raise exception.ClusterNumInstancesNotLargeEnough(
num_instances=ds_conf.min_cluster_member_count)
# Checking volumes and get delta for quota check
cluster_models.validate_instance_flavors(
context, instances, ds_conf.volume_support, ds_conf.device_path)
req_volume_size = cluster_models.get_required_volume_size(
instances, ds_conf.volume_support)
cluster_models.assert_homogeneous_cluster(instances)
deltas = {'instances': num_instances, 'volumes': req_volume_size}
# quota check
check_quotas(context.tenant, deltas)
# Checking networks are same for the cluster
instance_nics = []
for instance in instances:
nics = instance.get('nics')
if nics:
instance_nics.append(nics[0].get('net-id'))
if len(set(instance_nics)) > 1:
raise exception.ClusterNetworksNotEqual()
if not instance_nics:
return
instance_nic = instance_nics[0]
try:
nova_client = remote.create_nova_client(context)
nova_client.networks.get(instance_nic)
except nova_exceptions.NotFound:
raise exception.NetworkNotFound(uuid=instance_nic)
def _validate_cluster_instances(context, instances, datastore,
datastore_version):
"""Validate the flavor and volume"""
ds_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
# Checking volumes and get delta for quota check
cluster_models.validate_instance_flavors(context, instances,
ds_conf.volume_support,
ds_conf.device_path)
req_volume_size = cluster_models.get_required_volume_size(
instances, ds_conf.volume_support)
cluster_models.assert_homogeneous_cluster(instances)
deltas = {'instances': num_instances, 'volumes': req_volume_size}
# quota check
check_quotas(context.tenant, deltas)
# Checking networks are same for the cluster
cluster_models.validate_instance_nics(context, instances)
def _create_instances(context, db_info, datastore, datastore_version,
instances, new_cluster):
vertica_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
existing = inst_models.DBInstance.find_all(cluster_id=db_info.id).all()
num_existing = len(existing)
# Matching number of instances with configured cluster_member_count
if new_cluster \
and num_instances != vertica_conf.cluster_member_count:
raise exception.ClusterNumInstancesNotSupported(
num_instances=vertica_conf.cluster_member_count)
# Checking flavors
flavor_ids = [instance['flavor_id'] for instance in instances]
if len(set(flavor_ids)) != 1:
raise exception.ClusterFlavorsNotEqual()
flavor_id = flavor_ids[0]
nova_client = remote.create_nova_client(context)
try:
flavor = nova_client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
deltas = {'instances': num_instances}
# Checking volumes
volume_sizes = [instance['volume_size'] for instance in instances
if instance.get('volume_size', None)]
volume_size = None
if vertica_conf.volume_support:
if len(volume_sizes) != num_instances:
raise exception.ClusterVolumeSizeRequired()
if len(set(volume_sizes)) != 1:
raise exception.ClusterVolumeSizesNotEqual()
volume_size = volume_sizes[0]
models.validate_volume_size(volume_size)
deltas['volumes'] = volume_size * num_instances
else:
if len(volume_sizes) > 0:
raise exception.VolumeNotSupported()
ephemeral_support = vertica_conf.device_path
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
check_quotas(context.tenant, deltas)
nics = [instance.get('nics', None) for instance in instances]
azs = [instance.get('availability_zone', None)
for instance in instances]
# Creating member instances
minstances = []
for i in range(0, num_instances):
if i == 0 and new_cluster:
member_config = {"id": db_info.id, "instance_type": "master"}
else:
member_config = {"id": db_info.id, "instance_type": "member"}
instance_name = "%s-member-%s" % (db_info.name,
str(i + num_existing + 1))
minstances.append(
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
nics=nics[i],
availability_zone=azs[i],
configuration_id=None,
cluster_config=member_config)
)
return minstances
def create(cls, context, name, datastore, datastore_version, instances,
extended_properties, locality, configuration):
if configuration:
raise exception.ConfigurationNotSupported()
# TODO(amcreynolds): consider moving into CONF and even supporting
# TODO(amcreynolds): an array of values, e.g. [3, 5, 7]
# TODO(amcreynolds): or introduce a min/max num_instances and set
# TODO(amcreynolds): both to 3
num_instances = len(instances)
if num_instances != 3:
raise exception.ClusterNumInstancesNotSupported(num_instances=3)
mongo_conf = CONF.get(datastore_version.manager)
num_configsvr = mongo_conf.num_config_servers_per_cluster
num_mongos = mongo_conf.num_query_routers_per_cluster
delta_instances = num_instances + num_configsvr + num_mongos
models.validate_instance_flavors(context, instances,
mongo_conf.volume_support,
mongo_conf.device_path)
models.assert_homogeneous_cluster(instances)
req_volume_size = models.get_required_volume_size(
instances, mongo_conf.volume_support)
deltas = {'instances': delta_instances, 'volumes': req_volume_size}
check_quotas(context.tenant, deltas)
flavor_id = instances[0]['flavor_id']
volume_size = instances[0].get('volume_size', None)
nics = [instance.get('nics', None) for instance in instances]
azs = [
instance.get('availability_zone', None) for instance in instances
]
regions = [instance.get('region_name', None) for instance in instances]
db_info = models.DBCluster.create(
name=name,
tenant_id=context.tenant,
datastore_version_id=datastore_version.id,
task_status=ClusterTasks.BUILDING_INITIAL)
replica_set_name = "rs1"
member_config = {
"id": db_info.id,
"shard_id": utils.generate_uuid(),
"instance_type": "member",
"replica_set_name": replica_set_name
}
configsvr_config = {"id": db_info.id, "instance_type": "config_server"}
mongos_config = {"id": db_info.id, "instance_type": "query_router"}
if mongo_conf.cluster_secure:
cluster_key = utils.generate_random_password()
member_config['key'] = cluster_key
configsvr_config['key'] = cluster_key
mongos_config['key'] = cluster_key
for i in range(0, num_instances):
instance_name = "%s-%s-%s" % (name, replica_set_name, str(i + 1))
inst_models.Instance.create(context,
instance_name,
flavor_id,
datastore_version.image_id, [], [],
datastore,
datastore_version,
volume_size,
None,
availability_zone=azs[i],
nics=nics[i],
configuration_id=None,
cluster_config=member_config,
modules=instances[i].get('modules'),
locality=locality,
region_name=regions[i])
for i in range(1, num_configsvr + 1):
instance_name = "%s-%s-%s" % (name, "configsvr", str(i))
inst_models.Instance.create(context,
instance_name,
flavor_id,
datastore_version.image_id, [], [],
datastore,
datastore_version,
volume_size,
None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=configsvr_config,
locality=locality,
region_name=regions[i])
for i in range(1, num_mongos + 1):
instance_name = "%s-%s-%s" % (name, "mongos", str(i))
inst_models.Instance.create(context,
instance_name,
flavor_id,
datastore_version.image_id, [], [],
datastore,
datastore_version,
volume_size,
None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=mongos_config,
locality=locality,
region_name=regions[i])
task_api.load(context,
datastore_version.manager).create_cluster(db_info.id)
return MongoDbCluster(context, db_info, datastore, datastore_version)
def _check_quotas(context, instances):
deltas = {
'instances': len(instances),
'volumes': sum([instance['volume_size'] for instance in instances])
}
check_quotas(context.tenant, deltas)
def _check_quotas(context, instances):
deltas = {'instances': len(instances),
'volumes': sum([instance['volume_size']
for instance in instances])}
check_quotas(context.tenant, deltas)
def create(cls, context, name, datastore, datastore_version,
instances, extended_properties, locality, configuration):
if configuration:
raise exception.ConfigurationNotSupported()
# TODO(amcreynolds): consider moving into CONF and even supporting
# TODO(amcreynolds): an array of values, e.g. [3, 5, 7]
# TODO(amcreynolds): or introduce a min/max num_instances and set
# TODO(amcreynolds): both to 3
num_instances = len(instances)
if num_instances != 3:
raise exception.ClusterNumInstancesNotSupported(num_instances=3)
mongo_conf = CONF.get(datastore_version.manager)
num_configsvr = (1 if mongo_conf.num_config_servers_per_cluster == 1
else 3)
num_mongos = mongo_conf.num_query_routers_per_cluster
delta_instances = num_instances + num_configsvr + num_mongos
models.validate_instance_flavors(
context, instances, mongo_conf.volume_support,
mongo_conf.device_path)
models.assert_homogeneous_cluster(instances)
req_volume_size = models.get_required_volume_size(
instances, mongo_conf.volume_support)
deltas = {'instances': delta_instances, 'volumes': req_volume_size}
check_quotas(context.tenant, deltas)
flavor_id = instances[0]['flavor_id']
volume_size = instances[0].get('volume_size', None)
nics = [instance.get('nics', None) for instance in instances]
nic = nics[0]
for n in nics[1:]:
if n != nic:
raise ValueError(_('All cluster nics must be the same. '
'%(nic)s != %(n)s')
% {'nic': nic, 'n': n})
azs = [instance.get('availability_zone', None)
for instance in instances]
regions = [instance.get('region_name', None)
for instance in instances]
db_info = models.DBCluster.create(
name=name, tenant_id=context.tenant,
datastore_version_id=datastore_version.id,
task_status=ClusterTasks.BUILDING_INITIAL)
replica_set_name = "rs1"
member_config = {"id": db_info.id,
"shard_id": utils.generate_uuid(),
"instance_type": "member",
"replica_set_name": replica_set_name}
configsvr_config = {"id": db_info.id,
"instance_type": "config_server"}
mongos_config = {"id": db_info.id,
"instance_type": "query_router"}
if mongo_conf.cluster_secure:
cluster_key = base64.b64encode(utils.generate_random_password())
member_config['key'] = cluster_key
configsvr_config['key'] = cluster_key
mongos_config['key'] = cluster_key
for i in range(num_instances):
instance_name = "%s-%s-%s" % (name, replica_set_name, str(i + 1))
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
availability_zone=azs[i],
nics=nic,
configuration_id=None,
cluster_config=member_config,
modules=instances[i].get('modules'),
locality=locality,
region_name=regions[i])
for i in range(num_configsvr):
instance_name = "%s-%s-%s" % (name, "configsvr", str(i + 1))
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
availability_zone=azs[i %
num_instances],
nics=nic,
configuration_id=None,
cluster_config=configsvr_config,
locality=locality,
region_name=regions[i])
for i in range(num_mongos):
instance_name = "%s-%s-%s" % (name, "mongos", str(i + 1))
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
availability_zone=azs[i %
num_instances],
nics=nic,
configuration_id=None,
cluster_config=mongos_config,
locality=locality,
region_name=regions[i])
task_api.load(context, datastore_version.manager).create_cluster(
db_info.id)
return MongoDbCluster(context, db_info, datastore, datastore_version)
def create(cls, context, name, datastore, datastore_version, instances):
# TODO(amcreynolds): consider moving into CONF and even supporting
# TODO(amcreynolds): an array of values, e.g. [3, 5, 7]
# TODO(amcreynolds): or introduce a min/max num_instances and set
# TODO(amcreynolds): both to 3
num_instances = len(instances)
if num_instances != 3:
raise exception.ClusterNumInstancesNotSupported(num_instances=3)
flavor_ids = [instance['flavor_id'] for instance in instances]
if len(set(flavor_ids)) != 1:
raise exception.ClusterFlavorsNotEqual()
flavor_id = flavor_ids[0]
nova_client = remote.create_nova_client(context)
try:
flavor = nova_client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
mongo_conf = CONF.get(datastore_version.manager)
num_configsvr = mongo_conf.num_config_servers_per_cluster
num_mongos = mongo_conf.num_query_routers_per_cluster
delta_instances = num_instances + num_configsvr + num_mongos
deltas = {'instances': delta_instances}
volume_sizes = [
instance['volume_size'] for instance in instances
if instance.get('volume_size', None)
]
volume_size = None
if mongo_conf.volume_support:
if len(volume_sizes) != num_instances:
raise exception.ClusterVolumeSizeRequired()
if len(set(volume_sizes)) != 1:
raise exception.ClusterVolumeSizesNotEqual()
volume_size = volume_sizes[0]
models.validate_volume_size(volume_size)
# TODO(amcreynolds): for now, mongos+configsvr same flavor+disk
deltas['volumes'] = volume_size * delta_instances
else:
# TODO(amcreynolds): is ephemeral possible for mongodb clusters?
if len(volume_sizes) > 0:
raise exception.VolumeNotSupported()
ephemeral_support = mongo_conf.device_path
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
check_quotas(context.tenant, deltas)
db_info = models.DBCluster.create(
name=name,
tenant_id=context.tenant,
datastore_version_id=datastore_version.id,
task_status=ClusterTasks.BUILDING_INITIAL)
replica_set_name = "rs1"
member_config = {
"id": db_info.id,
"shard_id": utils.generate_uuid(),
"instance_type": "member",
"replica_set_name": replica_set_name
}
for i in range(1, num_instances + 1):
instance_name = "%s-%s-%s" % (name, replica_set_name, str(i))
inst_models.Instance.create(context,
instance_name,
flavor_id,
datastore_version.image_id, [], [],
datastore,
datastore_version,
volume_size,
None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=member_config)
configsvr_config = {"id": db_info.id, "instance_type": "config_server"}
for i in range(1, num_configsvr + 1):
instance_name = "%s-%s-%s" % (name, "configsvr", str(i))
inst_models.Instance.create(context,
instance_name,
flavor_id,
datastore_version.image_id, [], [],
datastore,
datastore_version,
volume_size,
None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=configsvr_config)
mongos_config = {"id": db_info.id, "instance_type": "query_router"}
for i in range(1, num_mongos + 1):
instance_name = "%s-%s-%s" % (name, "mongos", str(i))
inst_models.Instance.create(context,
instance_name,
flavor_id,
datastore_version.image_id, [], [],
datastore,
datastore_version,
volume_size,
None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=mongos_config)
task_api.load(context,
datastore_version.manager).create_cluster(db_info.id)
return MongoDbCluster(context, db_info, datastore, datastore_version)
def _check_quotas(context, instances):
deltas = {"instances": len(instances), "volumes": sum([instance["volume_size"] for instance in instances])}
check_quotas(context.tenant, deltas)
def create(cls, context, name, datastore, datastore_version, instances,
extended_properties):
LOG.debug("Initiating cluster creation.")
vertica_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
# Matching number of instances with configured cluster_member_count
if num_instances != vertica_conf.cluster_member_count:
raise exception.ClusterNumInstancesNotSupported(
num_instances=vertica_conf.cluster_member_count)
# Checking flavors
flavor_ids = [instance['flavor_id'] for instance in instances]
if len(set(flavor_ids)) != 1:
raise exception.ClusterFlavorsNotEqual()
flavor_id = flavor_ids[0]
nova_client = remote.create_nova_client(context)
try:
flavor = nova_client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
deltas = {'instances': num_instances}
# Checking volumes
volume_sizes = [
instance['volume_size'] for instance in instances
if instance.get('volume_size', None)
]
volume_size = None
if vertica_conf.volume_support:
if len(volume_sizes) != num_instances:
raise exception.ClusterVolumeSizeRequired()
if len(set(volume_sizes)) != 1:
raise exception.ClusterVolumeSizesNotEqual()
volume_size = volume_sizes[0]
models.validate_volume_size(volume_size)
deltas['volumes'] = volume_size * num_instances
else:
if len(volume_sizes) > 0:
raise exception.VolumeNotSupported()
ephemeral_support = vertica_conf.device_path
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
check_quotas(context.tenant, deltas)
nics = [instance.get('nics', None) for instance in instances]
azs = [
instance.get('availability_zone', None) for instance in instances
]
# Updating Cluster Task
db_info = models.DBCluster.create(
name=name,
tenant_id=context.tenant,
datastore_version_id=datastore_version.id,
task_status=ClusterTasks.BUILDING_INITIAL)
# Creating member instances
for i in range(0, num_instances):
if i == 0:
member_config = {"id": db_info.id, "instance_type": "master"}
else:
member_config = {"id": db_info.id, "instance_type": "member"}
instance_name = "%s-member-%s" % (name, str(i + 1))
inst_models.Instance.create(context,
instance_name,
flavor_id,
datastore_version.image_id, [], [],
datastore,
datastore_version,
volume_size,
None,
nics=nics[i],
availability_zone=azs[i],
configuration_id=None,
cluster_config=member_config)
# Calling taskmanager to further proceed for cluster-configuration
task_api.load(context,
datastore_version.manager).create_cluster(db_info.id)
return VerticaCluster(context, db_info, datastore, datastore_version)
def _create_instances(context,
db_info,
datastore,
datastore_version,
instances,
extended_properties,
locality,
new_cluster=True):
vertica_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
existing = inst_models.DBInstance.find_all(cluster_id=db_info.id).all()
num_existing = len(existing)
# Matching number of instances with configured cluster_member_count
if (new_cluster
and num_instances != vertica_conf.cluster_member_count):
raise exception.ClusterNumInstancesNotSupported(
num_instances=vertica_conf.cluster_member_count)
# Checking flavors
flavor_ids = [instance['flavor_id'] for instance in instances]
if len(set(flavor_ids)) != 1:
raise exception.ClusterFlavorsNotEqual()
flavor_id = flavor_ids[0]
nova_client = remote.create_nova_client(context)
try:
flavor = nova_client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
deltas = {'instances': num_instances}
# Checking volumes
volume_sizes = [
instance['volume_size'] for instance in instances
if instance.get('volume_size', None)
]
volume_size = None
if vertica_conf.volume_support:
if len(volume_sizes) != num_instances:
raise exception.ClusterVolumeSizeRequired()
if len(set(volume_sizes)) != 1:
raise exception.ClusterVolumeSizesNotEqual()
volume_size = volume_sizes[0]
models.validate_volume_size(volume_size)
deltas['volumes'] = volume_size * num_instances
else:
if len(volume_sizes) > 0:
raise exception.VolumeNotSupported()
ephemeral_support = vertica_conf.device_path
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
check_quotas(context.tenant, deltas)
nics = [instance.get('nics', None) for instance in instances]
azs = [
instance.get('availability_zone', None) for instance in instances
]
# Creating member instances
minstances = []
for i in range(0, num_instances):
if i == 0 and new_cluster:
member_config = {"id": db_info.id, "instance_type": "master"}
else:
member_config = {"id": db_info.id, "instance_type": "member"}
instance_name = "%s-member-%s" % (db_info.name,
str(i + num_existing + 1))
minstances.append(
inst_models.Instance.create(context,
instance_name,
flavor_id,
datastore_version.image_id, [], [],
datastore,
datastore_version,
volume_size,
None,
nics=nics[i],
availability_zone=azs[i],
configuration_id=None,
cluster_config=member_config,
locality=locality))
return minstances
def create(cls, context, name, datastore, datastore_version,
instances, extended_properties, locality):
nova_client = remote.create_nova_client(context)
network_driver = (importutils.import_class(
CONF.network_driver))(context, None)
ds_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
# Run checks first
if not network_driver.subnet_support:
raise exception.TroveError(_(
"The configured network driver does not support subnet "
"management. This is required for Oracle RAC clusters."))
quota.check_quotas(context.tenant, {'instances': num_instances})
for instance in instances:
if not instance.get('flavor_id'):
raise exception.BadRequest(_("Missing required flavor_id."))
try:
nova_client.flavors.get(instance['flavor_id'])
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=instance['flavor_id'])
if instance.get('volume_size'):
raise exception.VolumeNotSupported()
if instance.get('region_name'):
raise exception.BadRequest(_("Instance region_name option not "
"supported."))
database = extended_properties.get('database')
if not database:
raise exception.BadRequest(_("Missing database name."))
if len(database) > 8:
raise exception.BadValue(_("Database name greater than 8 chars."))
storage_info = check_storage_info(extended_properties)
subnet, subnetpool, network = check_public_network_info(
ds_conf, network_driver, num_instances, extended_properties)
ssh_pem, ssh_pub = crypto_utils.generate_ssh_keys()
sys_password = utils.generate_random_password(
datastore=datastore.name)
admin_password = utils.generate_random_password(
datastore=datastore.name)
# Create the cluster
db_info = models.DBCluster.create(
name=name, tenant_id=context.tenant,
datastore_version_id=datastore_version.id,
task_status=tasks.ClusterTasks.BUILDING_INITIAL)
if not subnet:
LOG.debug("Creating RAC public subnet on network {net} from "
"pool {pool}".format(net=network['id'],
pool=subnetpool['id']))
subnet = create_public_subnet_from_pool(
ds_conf, network_driver, db_info.id, subnetpool, network,
extended_properties.get('router'),
extended_properties.get('prefixlen'))
LOG.debug("Created subnet {sub} with CIDR {cidr}".format(
sub=subnet['id'], cidr=subnet['cidr']))
interconnect_network, interconnect_subnet = create_interconnect(
ds_conf, network_driver, db_info.id)
LOG.debug("Created interconnect network {net} with subnet "
"{sub}".format(net=interconnect_network['id'],
sub=interconnect_subnet['id']))
public_subnet_manager = rac_utils.RACPublicSubnetManager(
subnet['cidr'])
interconnect_subnet_manager = rac_utils.CommonSubnetManager(
interconnect_subnet['cidr'])
subnet = configure_public_subnet(
ds_conf, network_driver, db_info.id, subnet,
public_subnet_manager.allocation_pool)
LOG.debug("RAC public subnet ({sub_id}) info: name='{name}', scans="
"{scans}".format(sub_id=subnet['id'], name=subnet['name'],
scans=public_subnet_manager.scan_list))
cluster_config = {
'id': db_info.id,
'instance_type': 'node',
'storage': storage_info,
'ssh_pem': ssh_pem,
'ssh_pub': ssh_pub,
'database': database,
'sys_password': sys_password,
'admin_password': admin_password}
vips = (public_subnet_manager.scan_list +
[public_subnet_manager.instance_vip(i)
for i in range(len(instances))])
for i, instance in enumerate(instances):
instance_name = rac_utils.make_instance_hostname(name, i)
nics = instance.get('nics') or []
public_port_name = rac_utils.make_object_name(
ds_conf, ['public', 'port', str(i + 1)], db_info.id)
public_port = create_port(
network_driver, public_port_name, i,
subnet, public_subnet_manager, vips=vips)
interconnect_port_name = rac_utils.make_object_name(
ds_conf, ['interconnect', 'port', str(i + 1)], db_info.id)
interconnect_port = create_port(
network_driver, interconnect_port_name, i,
interconnect_subnet, interconnect_subnet_manager)
nics.append({'port-id': public_port['id']})
nics.append({'port-id': interconnect_port['id']})
LOG.debug("Creating instance {name} with public ip {pub} and "
"interconnect ip {int}".format(
name=instance_name,
pub=public_port['fixed_ips'][0]['ip_address'],
int=interconnect_port['fixed_ips'][0]['ip_address']))
inst_models.Instance.create(
context,
instance_name,
instance['flavor_id'],
datastore_version.image_id,
[], [], datastore,
datastore_version,
None, None,
availability_zone=instance.get('availability_zone'),
nics=nics,
cluster_config=cluster_config,
modules=instance.get('modules'),
locality=locality)
task_api.load(context, datastore_version.manager).create_cluster(
db_info.id)
return OracleRACCluster(context, db_info, datastore, datastore_version)
def create(cls, context, name, datastore, datastore_version,
instances, extended_properties, locality, configuration):
if configuration:
raise exception.ConfigurationNotSupported()
nova_client = remote.create_nova_client(context)
network_driver = (importutils.import_class(
CONF.network_driver))(context, None)
ds_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
# Run checks first
if not network_driver.subnet_support:
raise exception.TroveError(_(
"The configured network driver does not support subnet "
"management. This is required for Oracle RAC clusters."))
quota.check_quotas(context.tenant, {'instances': num_instances})
for instance in instances:
if not instance.get('flavor_id'):
raise exception.BadRequest(_("Missing required flavor_id."))
try:
nova_client.flavors.get(instance['flavor_id'])
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=instance['flavor_id'])
if instance.get('volume_size'):
raise exception.VolumeNotSupported()
if instance.get('region_name'):
raise exception.BadRequest(_("Instance region_name option not "
"supported."))
database = extended_properties.get('database')
if not database:
raise exception.BadRequest(_("Missing database name."))
if len(database) > 8:
raise exception.BadValue(_("Database name greater than 8 chars."))
storage_info = check_storage_info(extended_properties)
subnet, subnetpool, network = check_public_network_info(
ds_conf, network_driver, num_instances, extended_properties)
ssh_pem, ssh_pub = crypto_utils.generate_ssh_keys()
sys_password = utils.generate_random_password(
datastore=datastore.name)
admin_password = utils.generate_random_password(
datastore=datastore.name)
# Create the cluster
db_info = models.DBCluster.create(
name=name, tenant_id=context.tenant,
datastore_version_id=datastore_version.id,
task_status=tasks.ClusterTasks.BUILDING_INITIAL)
if not subnet:
LOG.debug("Creating RAC public subnet on network {net} from "
"pool {pool}".format(net=network['id'],
pool=subnetpool['id']))
subnet = create_public_subnet_from_pool(
ds_conf, network_driver, db_info.id, subnetpool, network,
extended_properties.get('router'),
extended_properties.get('prefixlen'))
LOG.debug("Created subnet {sub} with CIDR {cidr}".format(
sub=subnet['id'], cidr=subnet['cidr']))
interconnect_network, interconnect_subnet = create_interconnect(
ds_conf, network_driver, db_info.id)
LOG.debug("Created interconnect network {net} with subnet "
"{sub}".format(net=interconnect_network['id'],
sub=interconnect_subnet['id']))
public_subnet_manager = rac_utils.RACPublicSubnetManager(
subnet['cidr'])
interconnect_subnet_manager = rac_utils.CommonSubnetManager(
interconnect_subnet['cidr'])
subnet = configure_public_subnet(
ds_conf, network_driver, db_info.id, subnet,
public_subnet_manager.allocation_pool)
LOG.debug("RAC public subnet ({sub_id}) info: name='{name}', scans="
"{scans}".format(sub_id=subnet['id'], name=subnet['name'],
scans=public_subnet_manager.scan_list))
cluster_config = {
'id': db_info.id,
'instance_type': 'node',
'storage': storage_info,
'ssh_pem': ssh_pem,
'ssh_pub': ssh_pub,
'database': database,
'sys_password': sys_password,
'admin_password': admin_password}
vips = (public_subnet_manager.scan_list +
[public_subnet_manager.instance_vip(i)
for i in range(len(instances))])
for i, instance in enumerate(instances):
instance_name = rac_utils.make_instance_hostname(name, i)
nics = instance.get('nics') or []
public_port_name = rac_utils.make_object_name(
ds_conf, ['public', 'port', str(i + 1)], db_info.id)
public_port = create_port(
network_driver, public_port_name, i,
subnet, public_subnet_manager, vips=vips)
interconnect_port_name = rac_utils.make_object_name(
ds_conf, ['interconnect', 'port', str(i + 1)], db_info.id)
interconnect_port = create_port(
network_driver, interconnect_port_name, i,
interconnect_subnet, interconnect_subnet_manager)
nics.append({'port-id': public_port['id']})
nics.append({'port-id': interconnect_port['id']})
LOG.debug("Creating instance {name} with public ip {pub} and "
"interconnect ip {int}".format(
name=instance_name,
pub=public_port['fixed_ips'][0]['ip_address'],
int=interconnect_port['fixed_ips'][0]['ip_address']))
inst_models.Instance.create(
context,
instance_name,
instance['flavor_id'],
datastore_version.image_id,
[], [], datastore,
datastore_version,
None, None,
availability_zone=instance.get('availability_zone'),
nics=nics,
cluster_config=cluster_config,
modules=instance.get('modules'),
locality=locality)
task_api.load(context, datastore_version.manager).create_cluster(
db_info.id)
return OracleRACCluster(context, db_info, datastore, datastore_version)
def create(cls, context, name, datastore, datastore_version, instances):
# TODO(amcreynolds): consider moving into CONF and even supporting
# TODO(amcreynolds): an array of values, e.g. [3, 5, 7]
# TODO(amcreynolds): or introduce a min/max num_instances and set
# TODO(amcreynolds): both to 3
num_instances = len(instances)
if num_instances != 3:
raise exception.ClusterNumInstancesNotSupported(num_instances=3)
flavor_ids = [instance['flavor_id'] for instance in instances]
if len(set(flavor_ids)) != 1:
raise exception.ClusterFlavorsNotEqual()
flavor_id = flavor_ids[0]
nova_client = remote.create_nova_client(context)
try:
flavor = nova_client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
mongo_conf = CONF.get(datastore_version.manager)
num_configsvr = mongo_conf.num_config_servers_per_cluster
num_mongos = mongo_conf.num_query_routers_per_cluster
delta_instances = num_instances + num_configsvr + num_mongos
deltas = {'instances': delta_instances}
volume_sizes = [instance['volume_size'] for instance in instances
if instance.get('volume_size', None)]
volume_size = None
if mongo_conf.volume_support:
if len(volume_sizes) != num_instances:
raise exception.ClusterVolumeSizeRequired()
if len(set(volume_sizes)) != 1:
raise exception.ClusterVolumeSizesNotEqual()
volume_size = volume_sizes[0]
models.validate_volume_size(volume_size)
# TODO(amcreynolds): for now, mongos+configsvr same flavor+disk
deltas['volumes'] = volume_size * delta_instances
else:
# TODO(amcreynolds): is ephemeral possible for mongodb clusters?
if len(volume_sizes) > 0:
raise exception.VolumeNotSupported()
ephemeral_support = mongo_conf.device_path
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
check_quotas(context.tenant, deltas)
db_info = models.DBCluster.create(
name=name, tenant_id=context.tenant,
datastore_version_id=datastore_version.id,
task_status=ClusterTasks.BUILDING_INITIAL)
replica_set_name = "rs1"
member_config = {"id": db_info.id,
"shard_id": utils.generate_uuid(),
"instance_type": "member",
"replica_set_name": replica_set_name}
for i in range(1, num_instances + 1):
instance_name = "%s-%s-%s" % (name, replica_set_name, str(i))
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=member_config)
configsvr_config = {"id": db_info.id,
"instance_type": "config_server"}
for i in range(1, num_configsvr + 1):
instance_name = "%s-%s-%s" % (name, "configsvr", str(i))
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=configsvr_config)
mongos_config = {"id": db_info.id,
"instance_type": "query_router"}
for i in range(1, num_mongos + 1):
instance_name = "%s-%s-%s" % (name, "mongos", str(i))
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
availability_zone=None,
nics=None,
configuration_id=None,
cluster_config=mongos_config)
task_api.load(context, datastore_version.manager).create_cluster(
db_info.id)
return MongoDbCluster(context, db_info, datastore, datastore_version)
def _create_cluster_instances(
cls, context, cluster_id, cluster_name,
datastore, datastore_version, instances, extended_properties=None):
LOG.debug("Processing a request for new cluster instances.")
cluster_node_ids = CouchbaseClusterTasks.find_cluster_node_ids(
cluster_id)
cluster_password = None
# Couchbase imposes cluster wide quota on the memory that get
# evenly distributed between node services.
# All nodes (including future nodes) need to be able to accommodate
# this quota.
# We therefore require the cluster to be homogeneous.
# Load the flavor and volume information from the existing instances
# if any.
# Generate the administrative password for a new cluster or reuse the
# one from an existing cluster.
required_instance_flavor = None
required_volume_size = None
if cluster_node_ids:
cluster_nodes = CouchbaseClusterTasks.load_cluster_nodes(
context,
cluster_node_ids)
coordinator = cluster_nodes[0]
required_instance_flavor = coordinator['instance'].flavor_id
required_volume_size = coordinator['instance'].volume_size
cluster_password = coordinator['guest'].get_cluster_password()
else:
cluster_password = utils.generate_random_password()
models.assert_homogeneous_cluster(
instances,
required_flavor=required_instance_flavor,
required_volume_size=required_volume_size)
couchbase_conf = CONF.get(datastore_version.manager)
eph_enabled = couchbase_conf.device_path
vol_enabled = couchbase_conf.volume_support
# Validate instance flavors.
models.get_flavors_from_instance_defs(context, instances,
vol_enabled, eph_enabled)
# Compute the total volume allocation.
req_volume_size = models.get_required_volume_size(instances,
vol_enabled)
# Check requirements against quota.
num_new_instances = len(instances)
deltas = {'instances': num_new_instances, 'volumes': req_volume_size}
check_quotas(context.tenant, deltas)
# Creating member instances.
num_instances = len(cluster_node_ids)
new_instances = []
for instance_idx, instance in enumerate(instances, num_instances + 1):
instance_az = instance.get('availability_zone', None)
member_config = {"id": cluster_id,
"instance_type": "member",
"cluster_password": cluster_password}
instance_name = instance.get('name')
if not instance_name:
instance_name = cls._build_instance_name(
cluster_name, cls.DEFAULT_SERVICES, instance_az,
instance_idx)
new_instance = inst_models.Instance.create(
context, instance_name,
instance['flavor_id'],
datastore_version.image_id,
[], [],
datastore, datastore_version,
instance['volume_size'], None,
nics=instance.get('nics', None),
availability_zone=instance_az,
configuration_id=None,
cluster_config=member_config)
new_instances.append(new_instance)
return new_instances
def _create_cluster_instances(cls, context, cluster_id, cluster_name,
datastore, datastore_version, instances,
extended_properties, locality):
LOG.debug("Processing a request for new cluster instances.")
cluster_node_ids = CouchbaseClusterTasks.find_cluster_node_ids(
cluster_id)
cluster_password = None
# Couchbase imposes cluster wide quota on the memory that get
# evenly distributed between node services.
# All nodes (including future nodes) need to be able to accommodate
# this quota.
# We therefore require the cluster to be homogeneous.
# Load the flavor and volume information from the existing instances
# if any.
# Generate the administrative password for a new cluster or reuse the
# one from an existing cluster.
required_instance_flavor = None
required_volume_size = None
if cluster_node_ids:
cluster_nodes = CouchbaseClusterTasks.load_cluster_nodes(
context, cluster_node_ids)
coordinator = cluster_nodes[0]
required_instance_flavor = coordinator['instance'].flavor_id
required_volume_size = coordinator['instance'].volume_size
cluster_password = coordinator['guest'].get_cluster_password()
else:
pwd_len = min(cls.MAX_PASSWORD_LEN, CONF.default_password_length)
cluster_password = utils.generate_random_password(pwd_len)
models.assert_homogeneous_cluster(
instances,
required_flavor=required_instance_flavor,
required_volume_size=required_volume_size)
couchbase_conf = CONF.get(datastore_version.manager)
eph_enabled = couchbase_conf.device_path
vol_enabled = couchbase_conf.volume_support
# Validate instance flavors.
models.validate_instance_flavors(context, instances, vol_enabled,
eph_enabled)
# Compute the total volume allocation.
req_volume_size = models.get_required_volume_size(
instances, vol_enabled)
# Check requirements against quota.
num_new_instances = len(instances)
deltas = {'instances': num_new_instances, 'volumes': req_volume_size}
check_quotas(context.tenant, deltas)
# Creating member instances.
num_instances = len(cluster_node_ids)
new_instances = []
for instance_idx, instance in enumerate(instances, num_instances + 1):
instance_az = instance.get('availability_zone', None)
member_config = {
"id": cluster_id,
"instance_type": "member",
"cluster_password": cluster_password
}
instance_name = instance.get('name')
if not instance_name:
instance_name = cls._build_instance_name(
cluster_name, cls.DEFAULT_SERVICES, instance_az,
instance_idx)
new_instance = inst_models.Instance.create(
context,
instance_name,
instance['flavor_id'],
datastore_version.image_id, [], [],
datastore,
datastore_version,
instance['volume_size'],
None,
nics=instance.get('nics', None),
availability_zone=instance_az,
configuration_id=None,
cluster_config=member_config,
region_name=instance.get('region_name'),
locality=locality)
new_instances.append(new_instance)
return new_instances
def create(cls, context, name, datastore, datastore_version, instances, extended_properties):
LOG.debug("Initiating cluster creation.")
vertica_conf = CONF.get(datastore_version.manager)
num_instances = len(instances)
# Matching number of instances with configured cluster_member_count
if num_instances != vertica_conf.cluster_member_count:
raise exception.ClusterNumInstancesNotSupported(num_instances=vertica_conf.cluster_member_count)
# Checking flavors
flavor_ids = [instance["flavor_id"] for instance in instances]
if len(set(flavor_ids)) != 1:
raise exception.ClusterFlavorsNotEqual()
flavor_id = flavor_ids[0]
nova_client = remote.create_nova_client(context)
try:
flavor = nova_client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
deltas = {"instances": num_instances}
# Checking volumes
volume_sizes = [instance["volume_size"] for instance in instances if instance.get("volume_size", None)]
volume_size = None
if vertica_conf.volume_support:
if len(volume_sizes) != num_instances:
raise exception.ClusterVolumeSizeRequired()
if len(set(volume_sizes)) != 1:
raise exception.ClusterVolumeSizesNotEqual()
volume_size = volume_sizes[0]
models.validate_volume_size(volume_size)
deltas["volumes"] = volume_size * num_instances
else:
if len(volume_sizes) > 0:
raise exception.VolumeNotSupported()
ephemeral_support = vertica_conf.device_path
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
check_quotas(context.tenant, deltas)
nics = [instance.get("nics", None) for instance in instances]
azs = [instance.get("availability_zone", None) for instance in instances]
# Updating Cluster Task
db_info = models.DBCluster.create(
name=name,
tenant_id=context.tenant,
datastore_version_id=datastore_version.id,
task_status=ClusterTasks.BUILDING_INITIAL,
)
# Creating member instances
for i in range(0, num_instances):
if i == 0:
member_config = {"id": db_info.id, "instance_type": "master"}
else:
member_config = {"id": db_info.id, "instance_type": "member"}
instance_name = "%s-member-%s" % (name, str(i + 1))
inst_models.Instance.create(
context,
instance_name,
flavor_id,
datastore_version.image_id,
[],
[],
datastore,
datastore_version,
volume_size,
None,
nics=nics[i],
availability_zone=azs[i],
configuration_id=None,
cluster_config=member_config,
)
# Calling taskmanager to further proceed for cluster-configuration
task_api.load(context, datastore_version.manager).create_cluster(db_info.id)
return VerticaCluster(context, db_info, datastore, datastore_version)
def create(cls, context, name, datastore, datastore_version,
instances, extended_properties, locality):
# TODO(amcreynolds): consider moving into CONF and even supporting
# TODO(amcreynolds): an array of values, e.g. [3, 5, 7]
# TODO(amcreynolds): or introduce a min/max num_instances and set
# TODO(amcreynolds): both to 3
num_instances = len(instances)
if num_instances != 3:
raise exception.ClusterNumInstancesNotSupported(num_instances=3)
flavor_ids = [instance['flavor_id'] for instance in instances]
if len(set(flavor_ids)) != 1:
raise exception.ClusterFlavorsNotEqual()
flavor_id = flavor_ids[0]
nova_client = remote.create_nova_client(context)
try:
flavor = nova_client.flavors.get(flavor_id)
except nova_exceptions.NotFound:
raise exception.FlavorNotFound(uuid=flavor_id)
mongo_conf = CONF.get(datastore_version.manager)
num_configsvr = (1 if mongo_conf.num_config_servers_per_cluster == 1
else 3)
num_mongos = mongo_conf.num_query_routers_per_cluster
delta_instances = num_instances + num_configsvr + num_mongos
deltas = {'instances': delta_instances}
volume_sizes = [instance['volume_size'] for instance in instances
if instance.get('volume_size', None)]
volume_size = None
if mongo_conf.volume_support:
if len(volume_sizes) != num_instances:
raise exception.ClusterVolumeSizeRequired()
if len(set(volume_sizes)) != 1:
raise exception.ClusterVolumeSizesNotEqual()
volume_size = volume_sizes[0]
models.validate_volume_size(volume_size)
# TODO(amcreynolds): for now, mongos+configsvr same flavor+disk
deltas['volumes'] = volume_size * delta_instances
else:
# TODO(amcreynolds): is ephemeral possible for mongodb clusters?
if len(volume_sizes) > 0:
raise exception.VolumeNotSupported()
ephemeral_support = mongo_conf.device_path
if ephemeral_support and flavor.ephemeral == 0:
raise exception.LocalStorageNotSpecified(flavor=flavor_id)
check_quotas(context.tenant, deltas)
nics = [instance.get('nics', None) for instance in instances]
nic = nics[0]
for n in nics[1:]:
if n != nic:
raise ValueError(_('All cluster nics must be the same. '
'%(nic)s != %(n)s')
% {'nic': nic, 'n': n})
azs = [instance.get('availability_zone', None)
for instance in instances]
regions = [instance.get('region_name', None)
for instance in instances]
db_info = models.DBCluster.create(
name=name, tenant_id=context.tenant,
datastore_version_id=datastore_version.id,
task_status=ClusterTasks.BUILDING_INITIAL)
replica_set_name = "rs1"
member_config = {"id": db_info.id,
"shard_id": utils.generate_uuid(),
"instance_type": "member",
"replica_set_name": replica_set_name}
configsvr_config = {"id": db_info.id,
"instance_type": "config_server"}
mongos_config = {"id": db_info.id,
"instance_type": "query_router"}
if mongo_conf.cluster_secure:
cluster_key = base64.b64encode(utils.generate_random_password())
member_config['key'] = cluster_key
configsvr_config['key'] = cluster_key
mongos_config['key'] = cluster_key
for i in range(num_instances):
instance_name = "%s-%s-%s" % (name, replica_set_name, str(i + 1))
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
availability_zone=azs[i],
nics=nic,
configuration_id=None,
cluster_config=member_config,
modules=instances[i].get('modules'),
region_name=regions[i],
locality=locality)
for i in range(num_configsvr):
instance_name = "%s-%s-%s" % (name, "configsvr", str(i + 1))
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
availability_zone=azs[i %
num_instances],
nics=nic,
configuration_id=None,
cluster_config=configsvr_config,
region_name=regions[i % num_instances],
locality=locality)
for i in range(num_mongos):
instance_name = "%s-%s-%s" % (name, "mongos", str(i + 1))
inst_models.Instance.create(context, instance_name,
flavor_id,
datastore_version.image_id,
[], [], datastore,
datastore_version,
volume_size, None,
availability_zone=azs[i %
num_instances],
nics=nic,
configuration_id=None,
cluster_config=mongos_config,
region_name=regions[i % num_instances],
locality=locality)
task_api.load(context, datastore_version.manager).create_cluster(
db_info.id)
return MongoDbCluster(context, db_info, datastore, datastore_version)
